Mass per volume density.
Centigrams per Liter to Micrograms per Gallon Converter — cg/L to ug/gal
Convert Centigram per Liter (cg/L) to Microgram per Gallon (ug/gal) using the exact conversion factor (1 centigram per liter = 37,854.11784 microgram per gallon). See the formula, worked examples, and conversion table.
Centigrams per Liter to Micrograms per Gallon converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 0.01 / 2.64172052e-7.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Centigrams per Liter to Micrograms per Gallon
Centigram per Liter and Microgram per Gallon both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
micrograms per gallon = centigrams per liter × 37854.11784
This factor comes from each unit's defined relationship to the category's base unit: 1 centigram per liter equals 0.01 base units, and 1 microgram per gallon equals 2.641721e-7 base units, so dividing one by the other gives the direct centigram per liter-to-microgram per gallon factor of 37854.11784.
Simple example
1 cg/L × 37854.11784 = 37,854.11784 ug/gal
1 centigram per liter = 37,854.11784 micrograms per gallon.
Real-world example
1,000 cg/L × 37854.11784 = 37,854,117.84 ug/gal
1,000 centigrams per liter = 37,854,117.84 micrograms per gallon.
Conversion table
| Centigram per Liter (cg/L) | Microgram per Gallon (ug/gal) |
|---|---|
| 0.1 cg/L | 3,785.411784 ug/gal |
| 1 cg/L | 37,854.11784 ug/gal |
| 10 cg/L | 378,541.1784 ug/gal |
| 100 cg/L | 3,785,411.784 ug/gal |
| 1,000 cg/L | 37,854,117.84 ug/gal |
| 10,000 cg/L | 378,541,178.4 ug/gal |
Reverse conversion: Microgram per Gallon to Centigram per Liter
1 ug/gal × 0.00002641720524 = 0.0000264172 cg/L
1 microgram per gallon = 0.0000264172 centigrams per liter.
centigrams per liter = micrograms per gallon × 0.0000264172052358
For a page dedicated to this direction, see Microgram per Gallon to Centigram per Liter.
Understanding the Centigram per Liter (cg/L)
Mass per volume density.
Understanding the Microgram per Gallon (ug/gal)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many micrograms per gallon are in 1 centigram per liter?
1 centigram per liter equals 37,854.11784 micrograms per gallon, using the exact defined conversion factor rather than an estimate.
How do I convert centigram per liter to microgram per gallon?
Multiply the centigram per liter value by 37854.11784. The converter above does this instantly to whatever precision you set.
How do I convert microgram per gallon back to centigram per liter?
Use the reverse factor: 1 microgram per gallon equals 0.0000264172 centigrams per liter. You can also use the swap control in the converter above to flip the direction instantly.
What is a centigram per liter?
Centigram per Liter (cg/L) is a unit of density.
What is a microgram per gallon?
Microgram per Gallon (ug/gal) is a unit of density.
Is the centigram per liter to microgram per gallon conversion exact?
Yes. Both centigram per liter and microgram per gallon are defined by fixed standards rather than physical artifacts, so the factor of 37854.11784 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.